See also:

Making adjustments in 5 mph (Canada: 10 km/h) increments
•► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Important safety notes
RACE START is only available in AMG vehicles. RACE START enables optimal acceleration from a standing start. The precondition for this is a suitable high-grip road surface. WARNING RACE S ...

Total load limit
Rated cargo and luggage load plus 68 kilograms (150 lbs) times the vehicle's designated seating capacity. ...